Feeds

Skype reverse-engineered and open sourced

How soon will Microsoft blow?

Intelligent flash storage arrays

There have been many analyses of Skype’s behaviour over the years (the most famous perhaps is from Baset and Schultzrinne), but as far as Vulture Central is aware, nobody has yet gone so far as to reverse-engineer the whole kit-and-caboodle.

That’s the claim being made by Efim Bushmanov on this blog, where he offers his reverse-engineered Skype source code available for download.

His work is almost certain to spark debate over the legality – and license-compliance – of reverse-engineering the software. It’s also quite likely to spark a response from Skype’s new owner, Microsoft.

The Register has not yet had the time to install or test the code (if that were, in fact, legal to do), so we can’t vouch for its operation.

Whether Bushmanov has broken any laws or breached any license terms depends on the conditions under which he’s undertaken the project (and to some extent, the jurisdiction in which he worked).

It’s hard to replicate perfectly the behaviour of any software under completely clean-room conditions, and probably even harder to prove that such conditions existed. Bushmanov would at the very least have to demonstrate that he worked without a copy of the software to hand – that somebody else ran the software and observed its behaviours. The authors of the reverse-engineered copy would have to write their software solely from Skype’s reported behaviour under different conditions.

According to this discussion on Hacker News, Bushmanov seems to be including original Skype binaries in its downloads, which would be a no-no. However, HN’s interpretation is based on the filenames rather than the contents of the files; perhaps Bushmanov simply didn’t have the nous to give his files names that weren’t subject to confusion.

The Register does however anticipate a swift response from Microsoft, if the software is what it claims to be. ®

Secure remote control for conventional and virtual desktops

More from The Register

next story
Same old iPad? NO. The new 'soft SIMs' are BIG NEWS
AppleSIM 'ware to allow quick switch of carriers
Brits: Google, can you scrape 60k pages from web, pleeease
Hey, c'mon Choc Factory, it's our 'right to be forgotten'
Of COURSE Stephen Elop's to blame for Nokia woes, says author
'Google did have some unique propositions for Nokia'
FCC, Google cast eye over millimetre wireless
The smaller the wave, the bigger 5G's chances of success
It's even GRIMMER up North after MEGA SKY BROADBAND OUTAGE
By 'eck! Eccles cake production thrown into jeopardy
Mobile coverage on trains really is pants
You thought it was just *insert your provider here*, but now we have numbers
Don't mess with Texas ('cos it's getting Google Fiber and you're not)
A bit late, but company says 1Gbps Austin network almost ready to compete with AT&T
prev story

Whitepapers

Forging a new future with identity relationship management
Learn about ForgeRock's next generation IRM platform and how it is designed to empower CEOS's and enterprises to engage with consumers.
Why cloud backup?
Combining the latest advancements in disk-based backup with secure, integrated, cloud technologies offer organizations fast and assured recovery of their critical enterprise data.
Win a year’s supply of chocolate
There is no techie angle to this competition so we're not going to pretend there is, but everyone loves chocolate so who cares.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Intelligent flash storage arrays
Tegile Intelligent Storage Arrays with IntelliFlash helps IT boost storage utilization and effciency while delivering unmatched storage savings and performance.